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112084021 = 7219120391
BaseRepresentation
bin1101010111001…
…00010000110101
321210220110101001
412223210100311
5212143142041
615042203301
72530461400
oct653442065
9253813331
10112084021
11582a5425
1231653531
131a2b4b0a
1410c58d37
159c90131
hex6ae4435

112084021 has 12 divisors (see below), whose sum is σ = 137246880. Its totient is φ = 91014840.

The previous prime is 112084013. The next prime is 112084051. The reversal of 112084021 is 120480211.

It is a happy number.

It is not a de Polignac number, because 112084021 - 23 = 112084013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 112084021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112084001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59265 + ... + 61126.

It is an arithmetic number, because the mean of its divisors is an integer number (11437240).

Almost surely, 2112084021 is an apocalyptic number.

It is an amenable number.

112084021 is a deficient number, since it is larger than the sum of its proper divisors (25162859).

112084021 is a wasteful number, since it uses less digits than its factorization.

112084021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120424 (or 120417 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 112084021 is about 10586.9741191712. The cubic root of 112084021 is about 482.1489599457.

The spelling of 112084021 in words is "one hundred twelve million, eighty-four thousand, twenty-one".

Divisors: 1 7 19 49 133 931 120391 842737 2287429 5899159 16012003 112084021